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Are we eating plastic-ingesting fish?
Daniele de A Miranda1, Gustavo Freire de Carvalho-Souza2
1Laboratório de Compostos Orgânicos em Ecossistemas Costeiros e Marinhos (OrganoMAR), Departamento de Oceanografia, Universidade Federal de Pernambuco, Av. Arquitetura, s/n, Cidade Universitária, 50740-550 Recife, Pernambuco, Brazil.
Marine Pollution Bulletin
|January 15, 2016
Summary
Edible fish from Brazil
Area of Science:
- Marine Biology
- Environmental Science
- Ecotoxicology
Background:
- Plastic pollution is a growing global concern.
- Microplastic ingestion by marine organisms is increasingly documented.
- Understanding plastic ingestion in commercially important fish is crucial for food safety.
Purpose of the Study:
- To assess the prevalence of plastic pellet ingestion in two key edible fish species from Brazil's eastern coast.
- To quantify the rate and characteristics of ingested plastic.
- To discuss ecological and human health implications.
Main Methods:
- Examined stomach contents of king mackerel (Scomberomorus cavalla) and Brazilian sharpnose shark (Rhizoprionodon lalandii).
- Identified and quantified plastic resin pellets.
- Analyzed pellet size and color.
Main Results:
- High ingestion rates: 62.5% in king mackerel and 33% in Brazilian sharpnose shark.
- Fish contained 2-6 plastic pellets (1-5 mm) in various colors (clear, white, yellowish).
- Plastic ingestion confirmed in commercially important edible fish.
Conclusions:
- Edible fish species in Brazil are ingesting plastic pellets.
- Potential for trophic transfer of plastic contaminants to humans.
- Highlights the urgent need for strategies to mitigate plastic pollution in marine ecosystems.
